Math, asked by nehajain200188, 22 days ago

Solve the following - (i) t+9=20​

Answers

Answered by Anonymous
6

Used primarily with the metric system, this prefix denotes a factor of 10−9 or 0.000000001. It is frequently encountered in science and electronics for prefixing units of time and length. ... One nanosecond is about the time required for light to travel 30 cm in air, or 20 cm in an optical fiber.

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